mmc: jz4740: Move away from using deprecated APIs

Suspend and resume of cards are being handled from the protocol layer
and consequently the mmc_suspend|resume_host APIs are deprecated.

This means we can simplify the suspend|resume callbacks by removing the
use of the deprecated APIs.

Cc: Lars-Peter Clausen <[e-mail]>
Signed-off-by: Ulf Hansson <[e-mail]>
Signed-off-by: Chris Ball <[e-mail]>

drivers/mmc/host/jz4740_mmc.c

···
 {
 	struct jz4740_mmc_host *host = dev_get_drvdata(dev);
 
-	mmc_suspend_host(host->mmc);
-
 	jz_gpio_bulk_suspend(jz4740_mmc_pins, jz4740_mmc_num_pins(host));
 
 	return 0;
···
 	struct jz4740_mmc_host *host = dev_get_drvdata(dev);
 
 	jz_gpio_bulk_resume(jz4740_mmc_pins, jz4740_mmc_num_pins(host));
-
-	mmc_resume_host(host->mmc);
 
 	return 0;
 }